冬季混凝土 的英文怎麼說
中文拼音 [dōngjìhúnníngtǔ]
冬季混凝土
英文
cold weather concrete-
Based on the simulation model theory of temperature and stress fields presented in this article, a large simulating program for high rccd has been developed, which can numerically simulate all kinds of temperature control measures, including water pipe cooling, heat insulating in winter, reducing place temperature of concrete, spraying water brume, and long interval over - watering surfaces overflowing in flood season.
基於本文提出的溫度場和徐變應力場模擬模型理論，編制了高碾壓混凝土壩的三維有限元模擬計算程序，在程序中考慮了各種溫控措施的數值模擬，包括：水管冷卻、冬季保溫、降低混凝土的澆築溫度、夏季混凝土表面噴水霧、施工汛期壩頂面過水等。The box beam ' s temperature stress of longitudinal direction and transverse direction with different conformation are analyzed, it finds that there is largish temperature tensile stress in the bottom of top deck and the haunch of box beam increase temperature tensile stress in the bottom of top deck. the paper makes a study of different thermal effects resulted from several kinds of closed rigid frame
根據大量實測溫度場結果建議採用一個有利於理論推導的指數函數的公式來擬和箱梁體內的溫差分佈，既貼近實測數值，計算又比較簡單；通過對空腹式剛架拱橋尤溪洲大橋所在地夏季、秋季、冬季的溫度場及溫度應力的實測，以及與本文所提出計算方法的理論解進行的分析比較，證實了本文計算方法的正確，同時改進了已往混凝土箱梁溫度自應力的計算方法。Construction of cast - in - situ concrete for continuous box girder of zhangwei canal bridge in winter season
漳衛運河大橋現澆連續箱梁混凝土冬季施工The thesis begins with computational analysis to the aerated concrete wall thermal performance. the aerated concrete is proved to have good performance in heat - insulate and heat - conserve as single wall. the index of dew - condensing is within allowing range, thermal performance totally can meet energy - conserving standard requirement in hot summer and cold winter zone
本文首先對加氣混凝土墻體熱工性能進行計算分析，論證其作為單一墻體，夏季隔熱、冬季保溫性能都很優良，墻體結露指標也在允許范圍之內，熱工性能完全可滿足夏熱冬冷地區節能標準要求。The control method of concrete construction in winter
水泥混凝土冬季施工的控制Determination of equivalent curing period of concrete construction in autumn amp; winter
秋冬季節混凝土等效養護齡期的確定Construction in winter of the huhhot financial office that is from the twelfth floor to the top, the concrete was mixed with antifreeze and others, heat was produced by the stove from emitting, during the building was discussed the effective measures were taken to prevent concrete from damaging in the low temperature, and the cost was reduced
摘要對呼和浩特市財政局辦公樓12層以上框架主體混凝土工程的研究，摻防凍劑和綜合蓄熱法的冬季施工措施，以及在施工過程中的具體控制辦法，降低了造價，保證了混凝土不被受凍破壞。Thaw settlement cause negative friction. this paper base on the thought of " initiative cooling ", aim at three problems existing in common concrete pile used in frozen soil, a new type of pile is proposed to overcome the disadvantages of the classical pile used in frozen soil. pile body within active layer is fluted and refilled with porous materials such as gravels and ballasts, convection will be occur and then thermal exchange inside porous material in winter while only heat conduction exists in summer, as a result the soil around flutings will be cooled, so the top line of permafrost will be drive up
本文基於「主動冷卻」地基的思想，以及針對凍土地區普通混凝土樁存在的三大問題，提出了一種新型樁的設計思路，運用數值模擬試驗手段對其冷卻機理與加固機理進行了系統研究，即在凍融活動層的深度范圍內，在混凝土樁身的表面刻槽，修築完時槽內填充碎石、塊石等多孔介質，通過外界大氣溫度的自然波動下多孔介質在冬季時存在的對流換熱機制，而在夏季只存在熱傳導，來達到主動冷卻樁周凍土和抬升凍土上限的目的。Problems needing attention in winter construction of concrete
淺析混凝土工程冬季施工應注意的問題In harsh climate region, the air temperature changes greatly between winter and summer. rcc dam are usually placed without bulk and longitudinal joints, and left free in winter. thus, it ' s unique thermal stress time - space distribution rule increases the difficulty of temperature control and crack control of rcc dam
由於嚴寒地區冬季氣候寒冷、年內氣溫變化幅度大；碾壓混凝土壩採取通倉澆築、不分縱縫以及越冬長間歇式的施工方法，使其具有獨特的溫度應力時空分佈規律，更增加了碾壓混凝土壩溫控與防裂難度。Measures of concrete construction in winter to build farmland project on basalt rock
玄武巖臺地造田工程混凝土冬季施工措施Bridge pile foundation ' s winter concrete construction control
橋梁樁基冬季混凝土施工控制Freezing mechanism of concrete and winter construction control
混凝土受凍機理及冬季施工控制Most of northern regions have a long winter. concreting in such regions is usually under minus - temperature, so it is essential to study the performance of concrete under minus - temperature
我國北方廣大地區冬季氣溫低、時間長，混凝土施工均處于負溫的條件下，因此研究負溫條件下的混凝土的性能極為必要。The conductive behavior of asphalt mixture can be improved with the addition of conductive materials, thus a multifunctional asphalt concrete can be obtained, which would have a profound effect on pavement deicing, damage testing, highway traffic monitoring and so on
通過摻入適量的導電相材料，改善瀝青混合料的電學性能，可望獲得多功能的瀝青混凝土，將會對瀝青路面冬季融雪化冰、路面損壞檢測、公路交通智能化管理等產生深遠的影響。Concrete quality precontrol of winter construction
混凝土冬季施工質量預控Construction technology of concrete in winter
冬季混凝土施工技術This paper according to related survey and experiment data, analyses some factors of frost and salt resistance based on the cement damage of concrete pavement of frost resistance mechanism, which may effect on the northeast area highway cement frost resistance of concrete pavement, then raises major measure of frost and ask resistance on cement concrete pavement based on the result of large quantities freeze and melt circulating experiment
摘要根據現場調查及相關試驗數據，從水泥混凝土路面抗凍性破壞機理出發，分析了冬季除冰鹽對東北地區高速公路水泥混凝土路面抗凍性能的影響，提出了影響水泥混凝土路面抗鹽凍性能的主要因素，並根據實驗室內大量凍融循環試驗的結果，提出了提高水泥混凝土路面抗鹽凍性能的主要措施。The concrete temperature control of cast - in place bored pries in winter construction
鉆孔灌注樁混凝土冬季施工溫度控制1. introduction for the pre - stressed concrete bridges in offshore and cold area, due to the corrosion effect of the corrosive agents in the environment to the structures, the safety of the bridge structures will decline with the service time, and this will affect the normal use of the bridge structures in the residual service time
第一章緒論處于沿海地區及冬季寒冷地區的預應力混凝土橋梁，由於所處環境或冬季所採用的除冰鹽中氯離子的腐蝕作剛，導致結構安全性的降低，使結構不能保證其在後續使用期內的正常使用，造成較大的經濟損失。分享友人